Intef is pretty much the way it looks, “IN-teff”. Ahmose is a little more interesting – it could nearly be pronounced “almost” without the l or the t, but some egyptian linquists believe the h sound should be gutterally aspirated, making it more like “ach-mose” with a German “ach”

Note; I am neither a linguist nor an Egyptologist. The real expert is RMG!